SOLUTION: A triangular prism is 14.1 feet long and has a triangular face with a base of 7.2 feet and a height of 10.5 feet. The other two sides of the triangle are each 11.1 feet. What is th

Question 977199: A triangular prism is 14.1 feet long and has a triangular face with a base of 7.2 feet and a height of 10.5 feet. The other two sides of the triangle are each 11.1 feet. What is the surface area of the triangular prism?

Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Divide the triangular prism into separate parts:
A base: 7.2 x 14.1 = 101.52 ft^2
2 Sides: = 2( 11.1 x 14.1) = 310.2 ft^2
2 ends:
An end is the triangular face.
Area of a triangle = 1/2(base x height)
...................= 1/2(7.2 x 10.5)
...................= 37.8 ft^2
Therefore two = 75.6 ft^2
Total = 101.52 + 310.2 + 75.6 = 487.32 ft^2 (2 decimal places)
Hope this helps:-)
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